205719540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2719}}^1$

素因数の和:2841

約数の個数: 96

約数和(自身を含む): 626949120

約数和(自身を除く): 421229580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 388, 390, 485, 582, 780, 970, 1164, 1261, 1455, 1940, 2522, 2719, 2910, 3783, 5044, 5438, 5820, 6305, 7566, 8157, 10876, 12610, 13595, 15132, 16314, 18915, 25220, 27190, 32628, 35347, 37830, 40785, 54380, 70694, 75660, 81570, 106041, 141388, 163140, 176735, 212082, 263743, 353470, 424164, 527486, 530205, 706940, 791229, 1054972, 1060410, 1318715, 1582458, 2120820, 2637430, 3164916, 3428659, 3956145, 5274860, 6857318, 7912290, 10285977, 13714636, 15824580, 17143295, 20571954, 34286590, 41143908, 51429885, 68573180, 102859770, 205719540]

約数ペア:

[(1, 205719540), (2, 102859770), (3, 68573180), (4, 51429885), (5, 41143908), (6, 34286590), (10, 20571954), (12, 17143295), (13, 15824580), (15, 13714636), (20, 10285977), (26, 7912290), (30, 6857318), (39, 5274860), (52, 3956145), (60, 3428659), (65, 3164916), (78, 2637430), (97, 2120820), (130, 1582458), (156, 1318715), (194, 1060410), (195, 1054972), (260, 791229), (291, 706940), (388, 530205), (390, 527486), (485, 424164), (582, 353470), (780, 263743), (970, 212082), (1164, 176735), (1261, 163140), (1455, 141388), (1940, 106041), (2522, 81570), (2719, 75660), (2910, 70694), (3783, 54380), (5044, 40785), (5438, 37830), (5820, 35347), (6305, 32628), (7566, 27190), (8157, 25220), (10876, 18915), (12610, 16314), (13595, 15132)]